JavaOOP IO 带缓冲区

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import java.io.BufferedReader;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.Reader;/** * @author Administrator * */public class Test5 {/**带缓冲区的 读取 * @param args * @throws Exception  */public static void main(String[] args) throws Exception {Reader reader=new FileReader("e:/s2226.txt");BufferedReader br=new BufferedReader(reader);String str;while ((str=br.readLine())!=null) {System.out.println(str);}br.close();reader.close();}}/** *  */package cn.hello.io;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileWriter;import java.io.IOException;import java.io.Writer;/** * @author Administrator * */public class Test6 {/**带缓冲区的 写入 * @param args * @throws Exception  */public static void main(String[] args) throws Exception {Writer writer=new FileWriter("e:/s2226.txt");    BufferedWriter bw=new BufferedWriter(writer);    String str="你好吗！！！";    bw.write(str);    bw.close();    writer.close();    System.out.println("ok");    }}

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